The chord namer will automati.y name a chord shape if a valid chord shape is supplied. Simply select the circles on the fret board that correspond to where .Find chords by notes, guitar frets or piano keys. checkbox; If you want a broader identification of results, allowing chords with these notes and more notes also, .The Guitar Chordyzer instantly names your guitar chords while you enter a chord into the virtual guitar fretboard. Shows syntactical correct chord names, .Start off by the familiar G major bar chord shape that has your 1st finger across all six strings on the 3rd fret. The notes in this chord are G, B, and D. Now play just the 5th fret of the 4th string and the 4th fret of the 3rd string. Those two notes are G and B, the root and 3rd of a G major chord..